Eotrachodon
Eotrachodon was an early duck-billed dinosaur that lived in what is now Alabama, USA. It had a long snout and hundreds of teeth for chewing plants. This dinosaur helps scientists understand how duck-billed dinosaurs evolved.2
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Eotrachodon is the oldest known duck-billed dinosaur from eastern North America.2
Its name means 'dawn rough tooth' because it was an early hadrosaur with rough teeth.1
The only fossil found was a young animal that was still growing when it died.2
Eotrachodon lived about 83 to 84 million years ago during the Santonian stage.2
Its skull had a special three-part depression around the nostril, which is a unique feature.2
This dinosaur was found in marine rocks, meaning its body was washed into the sea after death.2

Eotrachodon: gehien egindako galderak
?How big was Eotrachodon?
About 4 to 5.1 metres (13 to 17 feet) long. This is based on the only known fossil, which was a young animal that was still growing.2
?What did Eotrachodon eat?
It ate plants. It had a long snout and hundreds of teeth for chewing tough plant material.12
Dino adituentzat
- Izen zientifikoa
- Eotrachodon
- Izendatzailea:
- Prieto-Márquez et al. 20164
- Taldea
- Ahate-mokoak
- Familia / klada
- Hadrosauridae4
- Sailkapena
- Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae4
- Arroken adina
- 86 eta 84 milioi urte artean (Santonian)4
- Arroka-formazioak
- Mooreville Chalk4
- Herrialdeak
- AEB4
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean4
- Aurkikuntza
- Eotrachodon was named in 2016 by Albert Prieto-Márquez, Gregory Erickson, and James Ebersole. The fossil was found in Montgomery, Alabama, in the Mooreville Chalk formation.42
- Oraindik eztabaidagai
- Scientists are not sure how big Eotrachodon grew because the only known fossil is from a juvenile.2
Datuak nondik datozen
- Eotrachodon (en.wikipedia.org)
- Anatomy and osteohistology of the basal hadrosaurid ... - PMC (pmc.ncbi.nlm.nih.gov)
- Eotrachodon orientalis | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
- Eotrachodon in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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